body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f9;
  color: #333;
  text-align: center;
}

h1 {
  background-color: #007BFF;
  color: #fff;
  padding: 20px 0;
  margin: 0;
}

.sensor-data {
  margin: 20px auto;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 10px;
  max-width: 400px;
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.sensor-data p {
  font-size: 18px;
  margin: 10px 0;
}

span {
  font-weight: bold;
  color: #007BFF;
}